Nikkei at 15-month closing low on yen, Wall St

(Adds Isuzu Motors earnings)

By Eriko Amaha

TOKYO, Nov 12 (Reuters) - Tokyo stocks dropped more than 2 percent on Monday, with the Nikkei share average and the TOPIX index ending at their lowest in more than 15 months, as a sharp rise in the yen and tumble on Wall Street triggered a sell-off across the board.

Only a handful stocks, such as Dai Nippon Printing , gained but the yen ...